Fisher E.M., Darvell L.I., Saddawi A., Jones J.M., Dupont Capucine, Commandre Jean-Michel, Nocquet Timothée, Salvador Sylvain.
2011. Combustion characteristics of chars from raw and torrefied willow.
In : 7th US National Meeting of the Combustion Institute, Atlanta, Etats-Unis, 20-23 March 2011. Combustion Institute
Version publiée
- Anglais
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Résumé : There is much interest in co-firing biomass with coal in power plants. Torrefaction is a mild thermal pretreatment (T < 300°C) that improves the milling and storage properties of biomass, making it more like coal, and thus more compatible with existing power plant equipment. We use non-isothermal thermogravimetric analysis to investigate the differences in oxidative reactivities between chars prepared from torrefied and raw willow. Both high- and low-heating-rate chars are investigated. High-heating-rate chars were prepared in a drop tube furnace at a temperature of 900°C with a residence time of 2 s. Low-heating-rate chars were prepared in a crucible in a tube furnace, with a heating rate of 33°C/min, a maximum temperature of 1000 ?C, and a residence time of 1 hour at the maximum temperature. We find that torrefaction has a minimal impact on char reactivities for the low-heating-rate chars, while for the high-heating-rate case the chars prepared from raw willow are over twice as reactive as those prepared from torrefied willow.
Mots-clés Agrovoc : produit dérivé du bois, traitement thermique, carbonisation du bois, bois, pyrolyse, Salix, charbon de bois, torréfaction
Mots-clés complémentaires : Bois torréfié
Classification Agris : K50 - Technologie des produits forestiers
P06 - Sources d'énergie renouvelable
Auteurs et affiliations
- Fisher E.M., Cornell University (USA)
- Darvell L.I., University of Leeds (GBR)
- Saddawi A., University of Leeds (GBR)
- Jones J.M., University of Leeds (GBR)
- Dupont Capucine, CEA (FRA)
- Commandre Jean-Michel, CIRAD-PERSYST-UPR Biomasse-énergie (FRA) ORCID: 0000-0001-9094-7879
- Nocquet Timothée, CEA (FRA)
- Salvador Sylvain, Ecole des mines d'Albi (FRA)
Autres liens de la publication
Source : Cirad - Agritrop (https://agritrop.cirad.fr/560539/)
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